State Senate District 15 State Senate District (WI) — Elections 1876–2024

Wisconsin 15th State Senate District, Wisconsin: Democratic loyalist district. In 2024, voted D+4%. Republican peak: R+70 in 1920.

Key facts

2024 presidential margin: D+4MIT Election Lab
Political archetype: Democratic loyalistAkashic typology
Population: 164,7432024 5-year
Median household income: $76,2452024 5-year
White (non-Hispanic): 82.0%2024 5-year
Black: 4.3%2024 5-year
Hispanic / Latino: 10.2%2024 5-year
Peak Democratic margin: D+26 in 2008MIT Election Lab
Peak Republican margin: R+70 in 1920MIT Election Lab

2024 results by constituent county

3 counties · 1 D · 2 R

R+60

D+60

One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.

38 presidential elections

Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
Year	Won	Margin	Democratic	Republican	Total
2024	D	+4.2%	45,735	41,992	89,170
2020	D	+8.0%	45,674	38,810	86,048
2016	D	+7.2%	38,437	32,946	76,710
2012	D	+19.6%	47,959	32,090	81,026
2008	D	+26.1%	49,396	28,710	79,375
2004	D	+13.3%	45,083	34,439	80,261
2000	D	+15.1%	38,995	28,408	69,941
1996	D	+18.3%	31,417	20,510	59,661
1992	D	+11.4%	30,000	22,266	68,100
1988	D	+0.7%	28,638	28,244	57,309
1984	R	−12.1%	25,476	32,566	58,450
1980	R	−11.2%	24,160	30,944	60,542
1976	R	−1.9%	27,323	28,409	57,112
1972	R	−19.0%	20,395	30,167	51,491
1968	R	−10.9%	19,814	25,111	48,536
1964	D	+15.1%	27,459	20,228	47,743
1960	R	−22.3%	18,641	29,351	48,064
1956	R	−36.4%	13,337	28,729	42,249
1952	R	−30.9%	14,629	27,750	42,427
1948	R	−4.6%	15,512	17,021	33,002
1944	R	−6.7%	16,094	18,424	34,653
1940	R	−8.7%	16,800	20,005	37,017
1936	D	+9.2%	17,552	14,514	33,095
1932	R	−12.4%	12,680	16,333	29,559
1928	R	−41.3%	8,654	20,938	29,753
1924	R	−53.7%	1,512	14,443	24,098
1920	R	−70.3%	2,485	15,966	19,177
1916	R	−25.2%	4,074	6,968	11,489
1912	R	−10.1%	3,183	4,191	9,934
1908	R	−37.2%	3,343	7,708	11,732
1904	R	−49.2%	2,447	7,940	11,174
1900	R	−42.5%	3,180	8,218	11,847
1896	R	−37.5%	3,676	8,305	12,349
1892	R	−16.0%	4,277	6,043	11,009
1888	—	No data	—	—	—
1884	—	No data	—	—	—
1880	—	No data	—	—	—
1876	—	No data	—	—	—

Demographics

Race, ethnicity, and ancestry

Click any group to see the ancestries typically reported within it.

German

32.1%

Irish

13.0%

English

9.8%

American

5.3%

Polish

3.8%

Italian

3.1%

French

1.8%

Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.

Age distribution by sex

Median age: 40.4 in this county, 39.1 nationally

Male

Age

Female

0.6%

85+

1.3%

2.3%

75–84

2.7%

5.3%

65–74

5.7%

7.0%

55–64

7.0%

6.2%

45–54

6.2%

6.3%

35–44

6.2%

6.1%

25–34

6.0%

4.5%

18–24

4.3%

8.6%

5–17

8.0%

2.8%

2.6%

Source · American Community Survey 5-year estimates, 2024 release.

Median household income

2024 inflation-adjusted dollars

$76,245

State Senate District 15 ranks near the middle of US counties.

State Senate District 15$76,245

Wisconsin$77,485

United States$80,734

Source · American Community Survey 5-year estimates, 2024 release.

Poverty rate

All persons below federal poverty line

9.3%

Child poverty is below the national average.

Children under 1812.6%

Working age (18–64)7.9%

Seniors (65+)12.0%

Source · American Community Survey 5-year estimates, 2024 release.

Language at home

Population aged 5 and older

91.1%

speak English only

Spanish7.3%

Other Indo-European0.9%

Asian & Pacific Islander0.7%

Other languages0.1%

Source · ACS 5-year estimates, 2024.

Religious adherents

Adherents per capita by tradition

Mainline Protestant

12.4%

Catholic & Orthodox

11.8%

Other Christian

9.4%

Methodist

1.8%

Non-Christian

1.5%

Pentecostal & Holiness

1.2%

Baptist

0.8%

Source · 2020 US Religion Census. Remaining 61.2% of residents not counted as adherents by any reporting body.

Anchored in rural west-central Wisconsin, the district backed the 2024 Republican presidential nominee by nearly 20 points, a margin that has remained consistent across recent election cycles and reflects the region's deep agricultural roots.

The Democratic margin in Wisconsin 15th State Senate District reached its widest at twenty-six points in 2008. The margin in 2024 was four points — still decisive.

Its loyalty is rooted in its place. Median household income of $76,245, a 82% non-Hispanic-white share, and a population of 164,743 together describe a district whose political habits are deeply settled.

Compare two places, side by side

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Cite this page

All citations released under CC BY 4.0. Attribution: Akashic Intelligence.

State Senate District 15, Wisconsin. Akashic. https://akashic.app/sld-upper/55015/. Accessed May 20, 2026. License: CC BY 4.0.

License: CC BY 4.0

Frequently asked questions

How did State Senate District 15, Wisconsin vote in 2024?

In 2024, State Senate District 15, Wisconsin voted Democratic by 4.2 points (D+4), carried by the Democratic candidate. Out of 89,170 votes cast, 45,735 went Democratic and 41,992 went Republican.

What is State Senate District 15, Wisconsin's political archetype?

Akashic classifies State Senate District 15, Wisconsin as a "Democratic loyalist" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 12 times, Republican 22 times, and other 0 times.

When did State Senate District 15, Wisconsin last vote Republican?

The most recent presidential election in which State Senate District 15, Wisconsin voted Republican was 1984.

How many people live in State Senate District 15, Wisconsin?

State Senate District 15, Wisconsin has a population of 164,743 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.

What is the median household income in State Senate District 15, Wisconsin?

Median household income in State Senate District 15, Wisconsin is $76,245 — below the national median of $80,734. The Wisconsin state median is $77,485.

What is the political history of State Senate District 15, Wisconsin?

Akashic tracks 38 presidential elections in State Senate District 15, Wisconsin from 1876 to 2024. Of those, 12 went Democratic and 22 went Republican. The district's archetype — "Democratic loyalist" — captures the overall trajectory of that voting record.

Wisconsin 15th State Senate District has voted Democratic in ten straight presidential cycles.

Key facts

Demographics

Compare two places, side by side

Frequently asked questions